Heat production in microwave-irradiated thermocouples
- 1 July 1986
- journal article
- research article
- Published by Wiley in Medical Physics
- Vol. 13 (4) , 457-461
- https://doi.org/10.1118/1.595952
Abstract
It has been known for some time that the irradiation of metallic thermometers by microwaves during clinical hyperthermia can lead to artifactual readings. We describe here a series of measurements in which this effect has been quantitatively studied. In particular, the data yield values for the conversion coefficient describing the rate of heat production per unit length of a thermocouple array per watt applied power which can be compared with the rate of heat production in the same volume of tissue. The degree of artifact in the temperature recording depends on the thermal resistance of the protective materials surrounding the array, and this thermal resistance has also been determined. It has been shown that measures taken to reduce the temperature artifact do not compromise the response time of the probe.This publication has 3 references indexed in Scilit:
- Temperature measurements in high thermal gradients: I. The effects of conductionInternational Journal of Radiation Oncology*Biology*Physics, 1985
- The response of thermometer probes inserted into cathetersMedical Physics, 1985
- Local hyperthermia in combination with definitive radiotherapy: Increased tumor clearance, reduced recurrence rate in extended follow-upInternational Journal of Radiation Oncology*Biology*Physics, 1984